Journal ArticleDOI
A pulse radiolysis study of the reactivity of neptunoyl ions relative to inorganic free radicals
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TLDR
In this article, the rate constants for the reactions of OH, HSO4, NO3, and Cl2 radicals with neptunoyl ions were derived using the Pulse Radiolysis (PRS) algorithm.Abstract:
1. Pulse radiolysis was used to find the rate constants for the reactions of OH, HSO4, NO3, and Cl2 radicals with neptunoyl ions.read more
Citations
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Journal ArticleDOI
Radiation chemical effects on radiochemistry: A review of examples important to nuclear power
TL;DR: In this article, the role of reactive species created in irradiated aqueous and organic solution and their effects on radiochemistry is examined, including solvent extraction from acidic solution, metal complexation in alkaline tank waste, and the corrosion of spent fuel stored in repository brine.
Journal ArticleDOI
The redox chemistry of neptunium in γ-irradiated aqueous nitric acid
TL;DR: In this paper, the redox chemistry of neptunium in irradiated 4 M nitric acid was investigated using γ-ray irradiation and UV/Vis spectroscopic measurements.
Dissertation
The Kinetic and Radiolytic Aspects of Control of the Redox Speciation of Neptunium in Solutions of Nitric Acid
TL;DR: Paulenova et al. as discussed by the authors analyzed the interactions of neptunium(V) and (VI) with nitrous acid, which is formed as a product of radiolytic degradation of nitric acid caused by high levels of radioactivity present in such systems.
Journal ArticleDOI
Reevaluation of Neptunium–Nitric Acid Radiation Chemistry by Multiscale Modeling
TL;DR: Multiscale modeling has been used to quantitatively reevaluate the radiation chemistry of neptunium in a range of aerated nitric acid solutions, suggesting the existence of a catalytic-acid-dependent reduction process.
References
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Journal ArticleDOI
Aqueous coordination complexes of neptunium
Journal ArticleDOI
The hydrolysis of neptunium(VI) and plutonium(VI) studied by the pulse radiolysis transient conductivity technique
TL;DR: The first hydrolysis constant of the NpO 2+2 cation has been determined by either oxidizing Np(V) to Pu(VI) with radiation-produced hydroxyl radicals, or reducing NpVI to NpV with hydrated electrons, and studying the pH dependence of the asymptotic conductivity signals as discussed by the authors.
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